ALLEGRO_TOUCH_STATE - Allegro 5 API

       This is a structure that is used to hold a “snapshot” of a touch at a particular instant.

       Public fields (read only):

       • id - identifier of the touch.  If the touch is valid, this is positive.

       • x - touch x position

       • y - touch y position

       • dx - touch relative x position

       • dy - touch relative y position

       • primary - TRUE if this touch is the primary one (usually the first one).

       • display - The ALLEGRO_DISPLAY(3alleg5) that was touched.

       ALLEGRO_TOUCH_STATE - Allegro 5 API

       5.1.0

Allegro reference manual                                                            ALLEGRO_TOUCH_STATE(3alleg5)

              #include <allegro5/allegro.h>

              typedef struct ALLEGRO_TOUCH_STATE ALLEGRO_TOUCH_STATE;